0 one of the flat, usually green parts of a plant that are joined at one end to the stem or branch:
2 an extra part of a table that can be folded away when not being used
3 any of the flat, usually green parts of a plant that are joined at one end to the stem or branch:
4 a thin flat substance, esp. a sheet of paper, or a layer of something:
The leaves on the trees have started to turn a rich coppery colour.
Rubbing a dock leaf on nettle stings helps to relieve the pain.
Emily scraped away the dead leaves to reveal the tiny shoot of a new plant.
The bush looked badly diseased, with black marks on all the leaves.
Many of these long leaves are preserved on the bedding planes of a siltstone.
The leaves of plants are beautifully designed to carry out photosynthesis.
They have abandoned leaves to reduce loss of water by transpiration, and their stems are swollen with stored water.